positions of Daniel Jones' cardinal back vowels (adapted from Jones 1972: 32). Cardinalvowels #5 and #8 [u, ɑ] were adapted by Jones from x-ray photographs of
positions of Daniel Jones' cardinal front vowels (adapted from Jones 1972: 32). Cardinalvowels #1 and #4 [i, a] were adapted by Jones from x-ray photographs
positions of Daniel Jones' cardinal front vowels (adapted from Jones 1972: 32). Cardinalvowels #1 and #4 [i, a] were adapted by Jones from x-ray photographs
positions of Daniel Jones' cardinal back vowels (adapted from Jones 1972: 32). Cardinalvowels #5 and #8 [u, ɑ] were adapted by Jones from x-ray photographs of